Document Type and Number:
Japanese Patent JPS54132264
Kind Code:
U
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Application Number:
JP2879878U
Publication Date:
September 13, 1979
Filing Date:
March 06, 1978
Export Citation:
International Classes:
H01J31/15; H01J29/02; H01J31/12; (IPC1-7): H01J31/12; H01J29/02
Domestic Patent References:
| JPS494975A | 1974-01-17 |
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